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Diffstat (limited to 'doc/servicedir.html')
| -rw-r--r-- | doc/servicedir.html | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/doc/servicedir.html b/doc/servicedir.html index a7b9dd1..fa7f974 100644 --- a/doc/servicedir.html +++ b/doc/servicedir.html @@ -122,10 +122,15 @@ must be writable. </li> the default state of the service is considered down, not up: s6-supervise will not automatically start it until it receives a <tt>s6-svc -u</tt> command. If no <tt>down</tt> file exists, the default state of the service is up. </li> - <li style="margin-bottom:1em"> An optional, empty, regular file named <tt>nosetsid</tt>. If such a file exists, -s6-supervise will not make the service a process group and session leader; the service -will be run in the same process group as s6-supervise. If no <tt>nosetsid</tt> file -exists, the service has its own process group and is started as a session leader. </li> + <li style="margin-bottom:1em"> An optional, empty, regular file named <tt>nosetsid</tt>. +If this file exists and starts with the word <tt>setpgrp</tt>, s6-supervise will run the service +in a new process group (the run script will be a process group leader), but not in a new session. +If this file exists and <em>does not</em> start with <tt>setpgrp</tt>, +s6-supervise will start the service in the same session and process group as itself. +If no <tt>nosetsid</tt> file exists, the service has its own process group and is started +as a session leader - which is the default and should normally not be changed. Using the +<tt>nosetsid</tt> file is a hack; it should only be used in testing environments for +job control convenience, and probably never outside that use case. </li> <li style="margin-bottom:1em"> An optional regular file named <tt>notification-fd</tt>. If such a file exists, it means that the service supports <a href="notifywhenup.html">readiness notification</a>. The file must only |